Muscular (5)
'muscular' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for sinewy that I've seen before include "Muscular" , "Muscly; fibrous" , "Freshwater fish" , "strong" , "Tough, fibrous" .)
'muscular' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for built that I've seen before include "Erected" , "Constructed" , "put together" , "Raised" , "Made by combining materials and parts" .)
'muscular' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for beefy that I've seen before include "Brawny" , "Athletic and muscular (non-vegetarian?)" , "Burly" , "Muscular, robust" , "Colloquially muscular" .)
'muscular' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for burly that I've seen before include "Strong and heavy in build" , "Big and sturdy" , "Muscular and heavily built" , "Sturdily built" , "Muscular; strapping" .)
'muscular' is the definition.
(toned can mean having well-defined muscles)
This is the entire clue.
(Other definitions for toned that I've seen before include "In good condition (of muscles or skin)" , "Braced" , "Noted (anag.)" , "pitched just right" , "went well" .)
'muscular' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for hefty that I've seen before include "Big and strong" , "Brawny" , "Burly" , "Muscular" , "Sizeable" .)